527491340 has 24 divisors (see below), whose sum is σ = 1131302592. Its totient is φ = 206506880.

The previous prime is 527491331. The next prime is 527491369. The reversal of 527491340 is 43194725.

It is a super-2 number, since 2×527491340² = 556494227549991200, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 527491340.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 279641 + ... + 281520.

It is an arithmetic number, because the mean of its divisors is an integer number (47137608).

Almost surely, 2^527491340 is an apocalyptic number.

It is an amenable number.

527491340 is an abundant number, since it is smaller than the sum of its proper divisors (603811252).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

527491340 is a wasteful number, since it uses less digits than its factorization.

527491340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 561217 (or 561215 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 35.

The square root of 527491340 is about 22967.1796265889. The cubic root of 527491340 is about 807.9883731131.

The spelling of 527491340 in words is "five hundred twenty-seven million, four hundred ninety-one thousand, three hundred forty".